Add 5/80 and 42/72
5/80 + 42/72 is 31/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
5/80 = 5 × 9/80 × 9 = 45/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
42/72 = 42 × 10/72 × 10 = 420/720 - Add the two like fractions:
45/720 + 420/720 = 45 + 420/720 = 465/720 - 465/720 simplified gives 31/48
- So, 5/80 + 42/72 = 31/48
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